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Analysis

  • max time kernel
    148s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/09/2024, 04:21

General

  • Target

    wpsupdate.msi

  • Size

    26.2MB

  • MD5

    6172dbd24d1ccc413437ee5d9f38a750

  • SHA1

    4c24165e5d375ecaf5b5c49d831e48f70833bcfa

  • SHA256

    8e599267e624e8865dc1377d533cbbed11a53d18cb3de3946e62e5887b06b641

  • SHA512

    362432449d23d40fa0d2ccf27e608e063b083d23da9fa1c3ad10cf3772763421859fa91bf2c3bbd257f1a8e8ef723930dd758d009ff0cfbaf4be96316dd0fc0d

  • SSDEEP

    786432:HURQ1YYrOtsAdzpQof4c01tYhGYrmeGY3TT5:H2sRzeI8iCT5

Malware Config

Signatures

  • Detect PurpleFox Rootkit 2 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 2 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 8 IoCs
  • Executes dropped EXE 8 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 28 IoCs
  • Modifies registry class 22 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\wpsupdate.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3216
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:592
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4876
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FB49F41EC8C6223095B1044ACD591F85 E Global\MSI0000
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Program Files\GuidePortalRapid\FFGLWmUerQTM.exe
        "C:\Program Files\GuidePortalRapid\FFGLWmUerQTM.exe" x "C:\Program Files\GuidePortalRapid\wLzlKRWUCYQcfFYfQuoA" -o"C:\Program Files\GuidePortalRapid\" -pzKdAioNbrgsvnIwrocNm -y
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4980
      • C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe
        "C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe" -number 123 -file file3 -mode mode3 -flag flag3
        3⤵
        • Drops file in Program Files directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4584
      • C:\Program Files\GuidePortalRapid\wpsupdate.exe
        "C:\Program Files\GuidePortalRapid\wpsupdate.exe"
        3⤵
        • Writes to the Master Boot Record (MBR)
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4920
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4108
  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe
    "C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe" install
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    PID:4696
  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe
    "C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe" start
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    PID:4708
  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe
    "C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe"
    1⤵
    • Drops file in Program Files directory
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe
      "C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe" -number 264 -file file3 -mode mode3 -flag flag3
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3428
      • C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe
        "C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe" -number 362 -file file3 -mode mode3 -flag flag3
        3⤵
        • Enumerates connected drives
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:4500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Config.Msi\e57ceca.rbs

    Filesize

    7KB

    MD5

    ebdbf34a76f53822b620300de34289c6

    SHA1

    4b88c1e0c1edd755bcddc9a02eb1c62e999403f8

    SHA256

    973168e73b6a2911276d3cc84a948388d0d5d452acc1ba72cd21253cd80d37a2

    SHA512

    d5d4f4283b3bfa3030f0936406130ced708126eff9fa19306afe5dc6d261463a34ea2755721eb939431d0f9465fd9342f8407e260956e543063452b9ec2144f8

  • C:\Program Files\GuidePortalRapid\FFGLWmUerQTM.exe

    Filesize

    574KB

    MD5

    42badc1d2f03a8b1e4875740d3d49336

    SHA1

    cee178da1fb05f99af7a3547093122893bd1eb46

    SHA256

    c136b1467d669a725478a6110ebaaab3cb88a3d389dfa688e06173c066b76fcf

    SHA512

    6bc519a7368ee6bd8c8f69f2d634dd18799b4ca31fbc284d2580ba625f3a88b6a52d2bc17bea0e75e63ca11c10356c47ee00c2c500294abcb5141424fc5dc71c

  • C:\Program Files\GuidePortalRapid\TpuaDVwAtO28.exe

    Filesize

    3.1MB

    MD5

    cab83f4897ba305ccf1b3811d0d46b46

    SHA1

    f9b0a859ccfd545ca4794d2e37f0fe92e7469c88

    SHA256

    45265ec03d03272fbda8eca896bdc2f72f8ac0ab862d41f7a97cd823525c0a9c

    SHA512

    e018957a52075c203d48a59b2e049ed0d6980fefe467bd1b49bdd2a9b7aa5efb2d0d84a2b9e24f9b3ce680d424da137a2a7c3bc14f060960fba4cfbd900431ac

  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.exe

    Filesize

    832KB

    MD5

    d305d506c0095df8af223ac7d91ca327

    SHA1

    679cb4c763c84e75ccb0fa3475bd6b7a36e81c4a

    SHA256

    923111c7142b3dc783a3c722b19b8a21bcb78222d7a136ac33f0ca8a29f4cb66

    SHA512

    94d369a4db88bff9556a1d7a7fb0188ed935c3592bae09335542c5502ec878e839177be63ac3ab4af75d4dc38a3a4f5d0fd423115ac72cf5dd710c59604db796

  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.wrapper.log

    Filesize

    270B

    MD5

    86954539197e37d839c4bf6ee5f14eee

    SHA1

    64a0026808e4c514732134d633fa1f5ccd61a5e3

    SHA256

    e658c18d1775c3b73ea0a9c38be454606b43ea37844d9a298a11fd9a6275a809

    SHA512

    aa95d71742efd8872731b02b12ca7c8420ee501416ac1f47d36ad75984ac9481d8efe86b13db796344350f78f2c645f256c2938b78041e0e45b66d925faf4b06

  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.wrapper.log

    Filesize

    428B

    MD5

    3e2824bf0f8d848a1c8f4b31550d0f60

    SHA1

    fbdbd7db6dce217b9ec5c56a34ef96f3c50e2df6

    SHA256

    ca047f0378bef9bd597f55571a455b614d52b6b5bf39c2a1afab804f908c37a9

    SHA512

    e7e703bc694ae549b51f3b8abdafce138397a9dd321a03d48e8f5611152f4283a411414f308980f7412431268d4e8c89579a4fd977909a4ffb39b3a705fff1f5

  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.wrapper.log

    Filesize

    596B

    MD5

    0369ec65c4bd5583e2042f2ea646373e

    SHA1

    67ea06471d09150351dd6dd6136a021a8ead275f

    SHA256

    7d2bc7edee79039b7bb9ae26e663e61e1558d50ed8f2c127b4581d3255b81a7e

    SHA512

    f1f5b1a31bdac022917f521ac159056b2e6e5b68cfca7fbb7e38e1cae05594d1e68132dd2f064c923c463bd61e8e2b4a45a931bb19cfe874e90371f8117279f1

  • C:\Program Files\GuidePortalRapid\tTKiMHhNtqSk.xml

    Filesize

    438B

    MD5

    86de53b90829d5a005483f28e965d95a

    SHA1

    509de49e32ecf9a9dbccca19ba166dd8207079c3

    SHA256

    6a06a89acd0447279a72a75489294530c1634cff9287b056ee23993b5fcbc86d

    SHA512

    446a5caf6c3ee30ae037622af8d3be24f3b162f133ea84b8f3e2ea18d89479a9d049ac6fb65825af011e1b99e2de8bea49fc2186554ccda987138f3871f1b0f9

  • C:\Program Files\GuidePortalRapid\wLzlKRWUCYQcfFYfQuoA

    Filesize

    1.9MB

    MD5

    45dcc34b4184b6b0900686a5b1337e7d

    SHA1

    fcc2985d00fe937abca356d114ecf050a8853aed

    SHA256

    83cda810e9e4ae8bc95bd820e27dc26a86ef38f388164ba0d807bdffc4880346

    SHA512

    527eabefecf23c0a6e4bee2b52cb3dfaa4a7ff36c99808cf82e99e691c3a4c5b1f905fb0c0edbebe9e241888db37f73861a7ad798f8667202eb99d2e6a66777d

  • C:\Program Files\GuidePortalRapid\wpsupdate.exe

    Filesize

    6.0MB

    MD5

    57dadd6a929f64c2b1efe2d52c1c4985

    SHA1

    962cb227f81f885f23826c3e040aa9dbc97659cf

    SHA256

    996b5d59cce7955b4374bd00d83c422d3a1d9ffebba59c66074c37ab28cfaeb5

    SHA512

    3f64c35e72698ea6a7e708a4367277f3ab62c27f0652e0c55bab6e02239ee37c4f0a21503c0688301fb77bbf8e59e3c5c8aa2df8d62a4ab8a9b9cdf6f0a775cf

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\tTKiMHhNtqSk.exe.log

    Filesize

    1KB

    MD5

    122cf3c4f3452a55a92edee78316e071

    SHA1

    f2caa36d483076c92d17224cf92e260516b3cbbf

    SHA256

    42f5774d1ee4cae5d7a4e83970da42bb17e61ae93c312247211b5ee3535662e0

    SHA512

    c98666fb86aaff6471c0a96f12f037b9a607579c5891c9d7ba8cd4e90506ca7aa5b5f6264081d25f703c88fb69d8e2cd87809d508e771770550d0c5d4d17d91c

  • C:\Windows\Installer\e57cec9.msi

    Filesize

    26.2MB

    MD5

    6172dbd24d1ccc413437ee5d9f38a750

    SHA1

    4c24165e5d375ecaf5b5c49d831e48f70833bcfa

    SHA256

    8e599267e624e8865dc1377d533cbbed11a53d18cb3de3946e62e5887b06b641

    SHA512

    362432449d23d40fa0d2ccf27e608e063b083d23da9fa1c3ad10cf3772763421859fa91bf2c3bbd257f1a8e8ef723930dd758d009ff0cfbaf4be96316dd0fc0d

  • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

    Filesize

    23.7MB

    MD5

    7581109c71116fda40eb914cce8e0296

    SHA1

    aea122f42c8da2833cdaac641e9223a57d4dc3af

    SHA256

    48c7175dd481f71301536356a537755340c3585ecc88e8057e926f603930f36b

    SHA512

    4eb81202c15100d370d55e1a508da58f4dce55a537b1dcde7e8945daca97342c62b4f695f9c35800c20abcba802adea3d11531bd9c34ab5da42815d123d4901f

  • \??\Volume{fa3589b5-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{5a102afb-5d3a-4294-bc25-bf23d3c2afad}_OnDiskSnapshotProp

    Filesize

    6KB

    MD5

    64c3164416e37f03d30e5234e17037e6

    SHA1

    760f1c53128fc9b54992114ed75eb581953c05bc

    SHA256

    b488c3d280b3c0193ca0051bcdfb9acbf5df107b176aadc049c06c13b6873c0d

    SHA512

    c0545bbe671936482eff45b89a8b586275aead518404dbbba06ddae9e210edf5174b1b553ebc72205ceceb639e0901727f4db98b7bc22219c96ef74343190326

  • memory/4500-74-0x000000002B760000-0x000000002B91B000-memory.dmp

    Filesize

    1.7MB

  • memory/4500-76-0x000000002B760000-0x000000002B91B000-memory.dmp

    Filesize

    1.7MB

  • memory/4584-28-0x0000000009BD0000-0x0000000009BFA000-memory.dmp

    Filesize

    168KB

  • memory/4696-46-0x00000000009C0000-0x0000000000A96000-memory.dmp

    Filesize

    856KB